Nainital Zoo officials have approached the higher authorities to procure a pair of Siberian tiger and tigress as the lone Siberian tiger in the zoo has almost completed its average life expectancy age.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/plan-anvil-procure-siberian-tigers
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/zoos
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife-farming
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttaranchal-uttarakhand
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nainital-d